Jinko Solar Co. Ltd JKM425M-6TL4-V

Mono-c-Si

425 W Pmax

40.78 V Voc

13.55 A Isc

33.42 V Vmp

12.72 A Imp

20.74 % eff.

0.7693 FF

60 cells

Same test data as JKM425M-6TL4 and 2 other listings. CEC lists each frame, color and backsheet version as its own listing.

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IV & PV Curves at STC (1000 W/m², 25 °C)

IV Curves at Multiple Conditions

Irradiance sweep at 25 °C

Temperature sweep at 1000 W/m²

Single-Diode Model Parameters

Source: California Energy Commission module list · retrieved via SAM library · energy.ca.gov · All data sources

Parameter	Symbol	Value	Unit
Nameplate (STC)
STC Power	STC	425.102	W
PTC Power	PTC	388.9	W
Open-circuit voltage	V_oc_ref	40.78	V
Short-circuit current	I_sc_ref	13.55	A
Max-power voltage	V_mp_ref	33.42	V
Max-power current	I_mp_ref	12.72	A
Fill factor	FF	0.7693	—
Efficiency (STC)	η	20.74	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.006142	A/°C
Voc temperature coefficient	beta_oc	-0.121442	V/°C
Pmax temperature coefficient	gamma_r	-0.4029	%/°C
NOCT	T_NOCT	47.1	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.57734	V
Light-generated current (ref)	I_L_ref	13.56554	A
Saturation current (ref)	I_o_ref	7.89e-11	A
Series resistance	R_s	0.20235	Ω
Shunt resistance (ref)	R_sh_ref	176.409	Ω
Cells in series	N_s	20	—
CEC Adjust factor	Adjust	5.0661	%

The CEC list gives 20 cells in series, which puts 2.04 V on each cell. A silicon cell gives 0.55 to 0.80 V, so PV Ivy uses 60 cells in series for the .PAN file and Similar Modules, found from the CEC count times 3 (it counts one bypass substring).

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 60 (inferred, CEC lists 20)

Module area 2.05 m²

NOCT 47.1 °C

Temp. coefficient of Pmax -0.403 %/°C

Temp. coefficient of Voc -0.298 %/°C

Temp. coefficient of Isc 0.045 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 23 Jun 2026 list

Measured Data

No measured data yet for this module.

Same Test Data

4 listings with identical nameplate test data, one per frame, color or backsheet version.

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